Fluoroalkyl phosphate compositions

• US 7,470,818 B2
• Filed: 11/13/2006
• Issued: 12/30/2008
• Est. Priority Date: 11/13/2006
• Status: Expired due to Fees

• Current Assignee: The Chemours Company FC, LLC (The Chemours Company)
• Original Assignee: E. I. du Pont de Nemours and Company (Corteva, Inc.)
• Inventors: Peng, Sheng, Getty, Stephen James, Meng, Xianjun
• Primary Examiner(s): Mulcahy; Peter D.
• Assistant Examiner(s): HU, HENRY S
• Application Number:
  US11/598,466
• Publication Number:
  US 20080113200A1
• Time in Patent Office: 778 Days
• Field of Search: 568/8, 568/11, 514/52, 514/75, 435/1.1, 524/589
• US Class Current: 568/8
• CPC Class Codes: C04B 14/048 Granite
• CPC Class Codes: C04B 14/28 of calcium
• CPC Class Codes: C04B 28/02 containing hydraulic cements other than calcium sulfates
• CPC Class Codes: C04B 41/009 characterised by the material treated
• CPC Class Codes: C04B 41/466 Halogenated compounds, e.g. perfluor-compounds
• CPC Class Codes: C04B 41/4994 Organo-phosphorus compounds
• CPC Class Codes: C07F 9/091 with hydroxyalkyl compounds with further substituents on alkyl
• CPC Class Codes: C07F 9/65742 non-condensed with carbocyclic rings or heterocyclic rings or ring systems
• CPC Class Codes: C08K 5/52 Phosphorus bound to oxygen only
• CPC Class Codes: Y10T 428/249969 Of silicon-containing material [e.g., glass, etc.]
• CPC Class Codes: Y10T 428/31989 Of wood
• CPC Class Codes: Y10T 428/31993 Of paper
• CPC Class Codes: Y10T 428/31996 Next to layer of metal salt [e.g., plasterboard, etc.]

Abstract

A composition comprising a compound of formula (I) or (II):

wherein

• • r and q are independently integers of 1 to 3;
  • R_f is linear or branched chain perfluoroalkyl group having 1 to 6 carbon atoms;
  • j is an integer 0 or 1, or a mixture thereof,
  • x is 1 or 2,
  • Z is —O— or —S—,
  • X is hydrogen or M, and
  • M is an ammonium ion, an alkali metal ion, or an alkanolammonium ion is disclosed.

Claims

1. A composition comprising a compound of formula (I) or (II):

2. The composition of claim 1 wherein R_f has 4 to 6 carbon atoms, and r, q and j are each 1.

3. The composition of claim 1 wherein M is an ammonium or an alkanolammonium ion.

4. The composition of claim 1 comprising a mono(fluoroalkyl) phosphate of formula (I), wherein x is 1 of about 15 to about 80 mol %, and a bis(fluoroalkyl) phosphate of formula (I) wherein x=2 of about 20 to about 85 mol %.

5. The composition of claim 1 further comprising

a) an agent providing at least one surface effect selected from the group consisting of stain repellency, stain release, soil repellency, soil release, water repellency, oil repellency, and antimicrobial protection,

b) a surfactant, pH adjuster, wetting agent, leveling agent or

c) a mixture thereof.